//Vue浮点型乘法：
export function NumberMul(arg1, arg2) {
    var m = 0;
    var s1 = arg1.toString();
    var s2 = arg2.toString();
    try {
        m += s1.split(".")[1].length;
    } catch (e) {}
    try {
        m += s2.split(".")[1].length;
    } catch (e) {}
 
    return Number(s1.replace(".", "")) * Number(s2.replace(".", "")) / Math.pow(10, m);
}

//Vue浮点型加法：

export function NumberAdd(arg1, arg2) {
    var r1, r2, m, n;
    try {
        r1 = arg1.toString().split(".")[1].length
    } catch (e) {
        r1 = 0
    }
    try {
        r2 = arg2.toString().split(".")[1].length
    } catch (e) { 
        r2 = 0 
    } 
    m = Math.pow(10, Math.max(r1, r2))
    n = (r1 >= r2) ? r1 : r2;
    return ((arg1 * m + arg2 * m) / m).toFixed(n);
}

//Vue浮点型减法：
export function NumberSub(arg1, arg2) {
    var re1, re2, m, n;
    try {
        re1 = arg1.toString().split(".")[1].length;
    } catch (e) {
    re1 = 0;
    }
    try {
        re2 = arg2.toString().split(".")[1].length;
    } catch (e) {
        re2 = 0;
    }
    m = Math.pow(10, Math.max(re1, re2)); 
    n = (re1 >= re2) ? re1 : re2;
    return ((arg1 * m - arg2 * m) / m).toFixed(n);
}

//Vue浮点型除法：
// 除数，被除数， 保留的小数点后的位数
export function NumberDiv (arg1,arg2,digit){
    var t1=0,t2=0,r1,r2;
    try{t1=arg1.toString().split(".")[1].length}catch(e){}
    try{t2=arg2.toString().split(".")[1].length}catch(e){}
    r1=Number(arg1.toString().replace(".",""))
    r2=Number(arg2.toString().replace(".",""))
    //获取小数点后的计算值
   var result= ((r1/r2)*Math.pow(10,t2-t1)).toString()
    var result2=result.split(".")[1];
    result2=result2.substring(0,digit>result2.length?result2.length:digit);
 
    return Number(result.split(".")[0]+"."+result2);
}
